125541679 has 2 divisors, whose sum is σ = 125541680. Its totient is φ = 125541678.

The previous prime is 125541671. The next prime is 125541697. The reversal of 125541679 is 976145521.

Together with next prime (125541697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125541679 - 2³ = 125541671 is a prime.

It is a super-2 number, since 2×125541679² = 31521426332278082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125541671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62770839 + 62770840.

It is an arithmetic number, because the mean of its divisors is an integer number (62770840).

Almost surely, 2^125541679 is an apocalyptic number.

125541679 is a deficient number, since it is larger than the sum of its proper divisors (1).

125541679 is an equidigital number, since it uses as much as digits as its factorization.

125541679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 125541679 is about 11204.5383215909. The cubic root of 125541679 is about 500.7211979137.

The spelling of 125541679 in words is "one hundred twenty-five million, five hundred forty-one thousand, six hundred seventy-nine".